character: Catalyst Charlie
topic: Introduction to Catalysts and Reaction Rates
grade: 9
subject: Science
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character: Speedy Sarah
topic: Factors Affecting Reaction Rates
grade: 9
subject: Science
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character: Crazy Carl
topic: Graphing Reaction Rates with Catalysts
grade: 9
subject: Science
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character: Professor Reacto
topic: Understanding Catalysts and Their Role in Chemical Reactions
grade: 9
subject: Science
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